Method and means for stable operation of a synchronous motor

Details Method and means for stable operation of a synchronous motor Method and means for stable operation of a synchronous motor

1981-05-29

1984-06-19

Truhe, J. V.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, H02K 2902

Patent

active

044555202

ABSTRACT:
Stability in operating a synchronous stepping motor in mid-frequency is achieved by monitoring instantaneous power to the motor and adjusting the phase of the motor drive waveform as needed to maintain uniform speed. In an embodiment in which a pulse width modulator responds to a reference signal waveform, the phase of the reference signal waveform is varied to adjust the instantaneous power delivered to the motor.

REFERENCES:
Russell et al., "Development of a Stabilization Scheme for the Suppression of Parametric Instability in Stepping Motors", Proc. IEE, vol. 126, No. 4, Apr. 1979, pp. 298-306.

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